a chemical or other substance that is illegally used, sometimes to improve performance in an activity or because a person cannot stop using it
Many teenagers admitted taking drugs at some time.
The athlete was disqualified from the competition after testing positive for a banned performance-enhancing drug.
Law enforcement agencies are actively working to combat the trafficking and distribution of illegal drugs.
Substance abuse treatment centers offer support and counseling for individuals struggling with addiction to drugs.
The government implemented strict regulations to control the prescription and distribution of certain drugs to prevent misuse.
